{"product_id":"yamamoto-uni-mas-20mm-1pk","title":"Yamamoto Uni Mas 20mm","description":"\u003ch3\u003eWhen Size Matters — The Uni Gets Bigger\u003c\/h3\u003e\n\u003cp\u003eThe original Yamamoto Uni already had a cult following among finesse bass anglers. The \u003cstrong\u003eYamamoto Uni Mas 20mm\u003c\/strong\u003e takes everything that made it great and scales it up — a larger 20mm body with the same multi-appendage design that pulses, shimmies, and flutters with the slightest movement. When you need a more visible profile to get noticed in deeper water, stained conditions, or when targeting bigger fish, the Uni Mas is the answer.\u003c\/p\u003e\n\n\u003ch3\u003eThe Uni Platform, Evolved\u003c\/h3\u003e\n\u003cp\u003eBuilt on Yamamoto's proven TPE formula, the Uni Mas delivers the same durability and lifelike action as the original \u003ca href=\"\/products\/yamamoto-uni\"\u003eYamamoto Uni\u003c\/a\u003e — but with a presence that commands attention. Each bulbed appendage catches water independently, creating a chaotic, multi-directional shimmy on the fall that no single-tail or paddle-tail bait can replicate. Whether you're fishing it on a slow, methodical drop or snapping it with sharp rod twitches, the Uni Mas responds with action that triggers reaction strikes.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Standard Finesse Baits Fall Short\u003c\/h3\u003e\n\u003cp\u003eConventional drop shot baits — straight worms, minnow profiles, small craws — produce predictable, linear action that pressured bass have learned to ignore. The Uni Mas changes the equation with its urchin-style appendage design: every appendage moves independently, creating an erratic, lifelike profile that looks alive even when the bait is sitting still. In clear water or on heavily pressured fisheries, that difference is the difference between getting bit and going home empty-handed.\u003c\/p\u003e\n\n\u003ch3\u003eHow to Rig It\u003c\/h3\u003e\n\u003cp\u003eThe Uni Mas is purpose-built for finesse presentations. Nose-hook it on a drop shot rig below a \u003ca href=\"\/products\/vmc-tungsten-tear-drop-weight\"\u003eVMC Tungsten Tear Drop Shot Weight\u003c\/a\u003e for a suspended, pulsing presentation that drives bass crazy on slack line. For neko rig, insert a \u003ca href=\"\/products\/reins-tg-tungsten-nail-sinkers\"\u003eReins TG Tungsten Nail Sinker\u003c\/a\u003e into the nose for a head-down shimmy on bottom contact — deadly on rocky points and hard-bottom structure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Right Pick If...\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eYou want a larger urchin-style bait for deeper water or bigger fish\u003c\/li\u003e\n\u003cli\u003eYou fish drop shot or neko rig on pressured bass fisheries\u003c\/li\u003e\n\u003cli\u003eYou're targeting largemouth, smallmouth, or spotted bass in clear to stained water\u003c\/li\u003e\n\u003cli\u003eYou want to step up from the original Uni when fish want a bigger profile\u003c\/li\u003e\n\u003cli\u003eYou need a finesse bait that produces action even when sitting still\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBest Fishing Techniques\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop shot\u003c\/strong\u003e — nose-hook below a tungsten weight for a suspended, pulsating presentation; shake on slack line for maximum appendage action\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNeko rig\u003c\/strong\u003e — nail weight in the nose for a head-down shimmy on bottom contact; great for rocky structure and points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWacky rig\u003c\/strong\u003e — hook through the center body for a fluttering fall around docks and laydowns\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaky head\u003c\/strong\u003e — thread onto a light jig head for a bottom-hopping presentation with constant appendage movement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBest Conditions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClear to lightly stained water where subtle, natural action triggers bites\u003c\/li\u003e\n\u003cli\u003ePressured fisheries where finesse presentations outperform power fishing\u003c\/li\u003e\n\u003cli\u003eDeeper water (10–30+ ft.) where a larger profile gets noticed on the drop\u003c\/li\u003e\n\u003cli\u003ePost-frontal conditions when bass are finicky and slow to commit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBest For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies:\u003c\/strong\u003e Largemouth bass, smallmouth bass, spotted bass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechniques:\u003c\/strong\u003e Drop shot, neko rig, wacky rig, shaky head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGear:\u003c\/strong\u003e Light to medium-light spinning, 6–10 lb. fluorocarbon or braid-to-fluoro leader\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e20mm body — larger profile than the original Uni for deeper water and bigger fish\u003c\/li\u003e\n\u003cli\u003eMulti-appendage urchin design — each arm moves independently for erratic, lifelike action\u003c\/li\u003e\n\u003cli\u003eYamamoto TPE formula — durable, buoyant, and responsive to subtle rod movements\u003c\/li\u003e\n\u003cli\u003eProduces action even when sitting still on slack line\u003c\/li\u003e\n\u003cli\u003eAvailable in 9 proven colors for clear to stained water conditions\u003c\/li\u003e\n\u003cli\u003eFreshwater application\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModels \u0026amp; Specs\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:#3399cc; color:#fff;\"\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd;\"\u003eColor\u003c\/th\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd;\"\u003eColor #\u003c\/th\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd;\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"padding:8px; border:1px solid #ddd;\"\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBlack \u0026amp; Blue\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#021\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-021\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eFading Watermelon\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#194J\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-194J\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eWatermelon Red\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#208\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-208\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePearl Hologram\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#239\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-239\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGreen Pumpkin\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#297\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-297\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGreen Pumpkin Purple Green\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#301\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-301\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBaby Bass\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#305\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-305\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNatural Shad\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#306\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-306\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eGreen Pumpkin Purple Copper\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e#330\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eYAM-UNIMS-330\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTackle Express Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStart with Green Pumpkin or Watermelon Red in clear water:\u003c\/strong\u003e These natural colors are your go-to in clear conditions. Step up to Black \u0026amp; Blue or Pearl Hologram in low-light or stained water for more contrast and visibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize up from the original Uni when fish go deep:\u003c\/strong\u003e The 20mm Uni Mas has more presence at depth than the \u003ca href=\"\/products\/yamamoto-uni\"\u003eoriginal Yamamoto Uni\u003c\/a\u003e — if you're marking fish on your graph but not getting bites, switching to the Mas often makes the difference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShake, don't jerk:\u003c\/strong\u003e On a drop shot, subtle rod tip shakes on slack line produce the most appendage action. Aggressive snaps can cause the bait to spin — keep your movements small and let the bait do the work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's the difference between the Yamamoto Uni and the Uni Mas?\u003c\/strong\u003e\u003cbr\u003eThe Uni Mas features a larger 20mm body compared to the original Uni, giving it a bigger profile and more presence in the water. The Mas is the better choice for deeper water, larger fish, or when you need a more visible bait in stained conditions. The original \u003ca href=\"\/products\/yamamoto-uni\"\u003eYamamoto Uni\u003c\/a\u003e is the go-to for ultra-finesse presentations in clear, shallow water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many come in a pack?\u003c\/strong\u003e\u003cbr\u003eThe Yamamoto Uni Mas is sold as a single bait — 1 per pack at $17.99 — allowing you to pick exactly the colors you want without committing to a multi-pack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat hook size works best for drop shot rigging?\u003c\/strong\u003e\u003cbr\u003eA size 1 or 1\/0 drop shot hook works well with the 20mm Uni Mas. Nose-hook it through the top of the body to keep the appendages hanging freely and maximize action on slack line.\u003c\/p\u003e","brand":"Yamamoto","offers":[{"title":"Black \u0026 Blue","offer_id":49542653411584,"sku":"YAM-UNIMS-021","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Fading Watermelon","offer_id":49542653444352,"sku":"YAM-UNIMS-194J","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Watermelon Red","offer_id":49542653477120,"sku":"YAM-UNIMS-208","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Pearl Hologram","offer_id":49542653509888,"sku":"YAM-UNIMS-239","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Green Pumpkin","offer_id":49542653542656,"sku":"YAM-UNIMS-297","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Green Pumpkin Purple Green","offer_id":49542653575424,"sku":"YAM-UNIMS-301","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Baby Bass","offer_id":49542653608192,"sku":"YAM-UNIMS-305","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Natural Shad","offer_id":49542653640960,"sku":"YAM-UNIMS-306","price":17.99,"currency_code":"USD","in_stock":true},{"title":"Green Pumpkin Purple Copper","offer_id":49542653673728,"sku":"YAM-UNIMS-330","price":17.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0260\/2835\/files\/Yamamoto_Uni_Mas_Urchin_Bait_black_blue.png?v=1787612181","url":"https:\/\/tackleexpress.com\/products\/yamamoto-uni-mas-20mm-1pk","provider":"Tackle Express - Saltwater and Freshwater Fishing Tackle Shop ","version":"1.0","type":"link"}